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Finding the Third Proportional to 265.25 and 543

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Solution

The third proportional to 265.25 and 543 is: 1,111.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.25 : 543 = 543 : x
  2. Step 2: Convert to fraction form
    265.25/543 = 543/x
  3. Step 3: Cross multiply
    265.25x = 543 × 543
  4. Step 4: Simplify right side
    265.25x = 294,849
  5. Step 5: Solve for x
    x = 294,849/265.25
  6. Step 6: Final answer
    x = 1,111.59

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.